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| CAS No.: | 10025-73-7 |
|---|---|
| Name: | Chromium(III) chloride |
| Molecular Structure: | |
|
|
|
| Formula: | Cl3Cr |
| Molecular Weight: | 158.355 |
| Synonyms: | Trichlorochromium;C.I. 77295;Chromic chloride;Chromic chloride (CrCl3);Chromic trichloride;Chromiumtrichloride;Chromium trichloride (CrCl3);Chromium(3+) chloride; |
| EINECS: | 233-038-3 |
| Density: | 2.87 g/mL at 25 °C(lit.) |
| Melting Point: | 1152 °C |
| Boiling Point: | 1300 °C |
| Appearance: | Purple shiny fluffy powder or flakes |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22 |
| Safety: | 24/25 |
| PSA: | 0.00000 |
| LogP: | 2.06850 |
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chlorine
- 10025-73-7
chromium(III) chloride
| Conditions | Yield |
|---|---|
| With ferrochromium byproducts: FeCl3; chlorination at 900°C in molten mixture of BaCl2 and CaCl2; FeCl3 distilled, then product leached with water; | 85.9% |
| With ferrochromium 350 - 650°C; | |
| With ferrochromium byproducts: FeCl3; 300 - 600°C; | |
| With water 500 - 1000°C, H2O-vapor contg. Cl2;; |
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25,26,27,28-tetrapropyloxycalix[4]arene
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chromium(0) hexacarbonyl
A
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cone-25,26,27,28-tetrapropoxycalix{4}arene-tricarbonylchromium
B
- 10025-73-7
chromium(III) chloride
| Conditions | Yield |
|---|---|
| In tetrahydrofuran; dibutyl ether dissolution of ligand and Cr(CO)6 in a mixt. of butyl ether and THF, heating at 130°C for 24 h under N2, monitoring by IR; concn. under reduced pressure, addn. of hexane, column chromy., elution with n-hexane/CH2Cl2, column chromy., elution with benzene under N2, elem. anal.; | A 61% B n/a |
- 10025-73-7
chromium(III) chloride
| Conditions | Yield |
|---|---|
| With thionyl chloride In neat (no solvent) byproducts: H2O; substabce hehydration by refluxing with thionyl chloride at 70°C for 8 h, according to J. H. Free,an and M. L. Smith, J. Inorg. Nucl. Chem. 7 (1958) 224; | |
| With thionyl chloride In thionyl chloride refluxed for several hours; excess SOCl2 was distilled off; heated at 110°C at 1E-3 Torr for6 h; |
- 10025-73-7
chromium(III) chloride
| Conditions | Yield |
|---|---|
| With chlorine chlorination at 700°C; | |
| With chlorine at elevated temp.;; | |
| With chlorine react. in a stream of Cl2 at beginning red heat; repeated crushing and chlorination;; |
- 10025-73-7
chromium(III) chloride
| Conditions | Yield |
|---|---|
| With disulfur dichloride; chlorine In neat (no solvent) passing gas mixt. (prepared by passing Cl2 into liq. S2Cl2) over heated Cr2O3 at temp. even below red heat;; | >99 |
| With C3Cl6 In further solvent(s) react. in boiling hexachlorpropylene, 4h;; | |
| With chlorine; pyrographite byproducts: CO2; 900°C; |
| Conditions | Yield |
|---|---|
| With chlorine at red heat;; | |
| With chlorine In neat (no solvent) violent react. of Cr2O3 in a stream of Cl2 with glowing; slower react. with a gas mixt. of Cl2/CO2;; | |
| With chlorine In neat (no solvent) in the presence of organic compounds in an a.c. high voltage flame;; | |
| With Cl2 at red heat;; | |
| With Cl2 In neat (no solvent) violent react. of Cr2O3 in a stream of Cl2 with glowing; slower react. with a gas mixt. of Cl2/CO2;; |
| Conditions | Yield |
|---|---|
| With chlorine; pyrographite In neat (no solvent) react. of a slow stream of Cl2 with a red glowing mixt. of Cr2O3 and coal;; | |
| With chlorine; pyrographite In neat (no solvent) react. of Cl2 with a red glowing mixt. of Cr2O3 and coal;; | |
| With chlorine In neat (no solvent) in a stream of dry Cl2 at red heat;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) passing stream of COCl2 over Cr2O3 at 600 °C;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) passing stream of Cl2 charged with S2Cl2 over starting material and heating below red heat;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) adding steam of CCl4 to Cr2O3 at 580 °C;; | |
| In neat (no solvent) passing steam of CCl4 over Cr2O3 below red heat;; |
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Chemistry
CHROMIUM CHLORIDE (10025-73-7) has some details:
Name:CHROMIUM CHLORIDE
CAS Number:10025-73-7
Molecular Formula:Cl3Cr
Molecular Weight:158.35
Density:1.76
Melting Point:83°C
Risk Codes:R22;R36/37/38
Properties:Red-violet flaky crystals. Mp: 1152°C, bp: 1300° C(subl). Insol in cold H2O; sltly sol in hot H2O. IDLH 25 mg/m3 [as Cr(III)].
Structure:
Synonyms: c.i.77295;chromicchloride1/;chromicchlorideanhydr;chromium(iii)chloride(1:3);chromium(iii)chloride,anhydrous;chromiumchloride(crcl3);chromiumchloride,anhydrous;puratronicchromiumchloride;trichlorochromium;CHROMIUM SESQUICHLORIDE;CHROMIUM TRICHLORIDE;CHROMIC CHLORIDE;Chromium(Ⅲ)chloride;Chromium(Ⅲ)chloride hexahydrate;CHROMIUM (IC) CHLORIDE;CHROMIUM (III) CHLORIDE;CHROMIUM(III) CHLORIDE, ANHYDROUS, FLAKE S, 99.99%;CHROMIUM(III) CHLORIDE, SUBLIMED, 99%;4-Chromanone96%;CHROMIUM CHLORIDE (HEXAHYDRATE) (CHROMIUM III CHLORIDE)
Toxicity Data With Reference
| 1. | cyt-hmn:oth 500 mg/L | BJCAAI British Journal of Cancer. 44 (1981),219. | ||
| 2. | sce-ham:lng 39 mg/L | CRNGDP Carcinogenesis. 4 (1983),605. | ||
| 3. | ipr-mus TDLo:59,500 µg/kg (female 8D post):TER | JTSCDR Journal of Toxicological Sciences. 1 (2)(1976),1. | ||
| 4. | ipr-mus TDLo:59,500 µg/kg (female 9D post):REP | JTSCDR Journal of Toxicological Sciences. 1 (2)(1976),1. | ||
| 5. | orl-rat LD50:1870 mg/kg | YAKUD5 Gekkan Yakuji. Pharmaceuticals Monthly. 22 (1980),291. | ||
| 6. | ihl-mus LC50:31,500 µg/m3/2H | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,39. | ||
| 7. | ipr-mus LD50:434 mg/kg | COREAF Comptes Rendus Hebdomadaires des Seances de l’Academie des Sciences. 256 (1963),1043. | ||
| 8. | skn-gpg LDLo:202 mg/kg | AEHLAU Archives of Environmental Health. 11 (1965),201. | ||
| 9. | ipr-gpg LDLo:200 mg/kg | AEHLAU Archives of Environmental Health. 11 (1965),201. |
Consensus Reports
Safety Profile
Poison by skin contact, inhalation, and intraperitoneal routes. Experimental teratogenic and reproductive effects. Human mutation data reported. Questionable carcinogen. Reacts violently with lithium under nitrogen atmosphere. When heated to decomposition CHROMIUM CHLORIDE (10025-73-7) emits toxic fumes of Cl−.
Hazard Symbols: A poison. TLV: 0.5 mg(Cr)/m3
Hazard Codes :Xn
Risk Statements :22
Safety Statements :24/25
RIDADR :UN3260
WGK Germany : 1
RTECS :GB5425000
HazardClass :8
PackingGroup: III
Standards and Recommendations
CHROMIUM CHLORIDE (10025-73-7) has some standards.
OSHA PEL: TWA 0.5 mg(Cr)/m3
ACGIH TLV: TWA 0.5 mg(Cr)/m3; Not Classifiable as a Carcinogen